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Free ACT Test Exam Braindumps (page: 138)

Page 137 of 260
PDF with 1039 Questions

You set up an experiment to investigate the different rates at which soil and water heat and cool. You use the following equipment:

Thermometers (measuring in °C)

Container of soil

Container of water

Radiation Lamp

Timer

You obtain the temperature of the soil and water over a period of time and collect the following data:





The following graph was then made using the data.




During the heating-up period, which surface was raised to a higher temperature?

  1. soil
  2. water
  3. They were raised in temperature by equal amounts.
  4. You cannot tell based on the data given.

Answer(s): A

Explanation:

The graphs and the data table show that the temperature of the soil increases more than the temperature of the water during the heating up period, and the soil reaches a higher maximum temperature.



You set up an experiment to investigate the different rates at which soil and water heat and cool. You use the following equipment:

Thermometers (measuring in °C)

Container of soil

Container of water

Radiation Lamp

Timer

You obtain the temperature of the soil and water over a period of time and collect the following data:





The following graph was then made using the data.



If you repeated this experiment but you let the water and the soil heat for 20 minutes and then cool for 20 minutes instead of the 10 minutes used in this experiment how you would expect the graph of temperature versus time to change?

  1. Only the soil temperature curve would change. The water temperature curve would remain the same.
  2. Both the soil and the water temperature curves would change so that they would have the same basic shape but higher maximum temperature values.
  3. Both the soil and water temperature curves would change shape but maintain the same maximum temperature values.
  4. Only time for the experiment would change. The soil temperature and water temperature curves would remain the same.

Answer(s): B

Explanation:

Changing the length of time for the heating up period would allow both the soil and the water to reach higher maximum temperature values. The soil will still heat faster than the water so it will still have a higher curve on the temperature versus time graph than the water.



You set up an experiment to investigate the different rates at which soil and water heat and cool. You use the following equipment:

Thermometers (measuring in °C)

Container of soil

Container of water

Radiation Lamp

Timer

You obtain the temperature of the soil and water over a period of time and collect the following data:





The following graph was then made using the data.




Based on this experiment, compare the heating and cooling of air masses above the ocean and the land.

  1. The air above the ocean and land heats and cools at the same rate.
  2. The air above land heats and cools faster.
  3. The air above the ocean heats and cools faster.
  4. The air above the land heats faster but the air above the ocean cools faster.

Answer(s): B

Explanation:

Since soil heats faster, the air above land should then be heated faster by the heat radiated by the land. This narrows the selection to choices B and D. Since the soil also cools faster, the air above the land will cool faster as it comes to equilibrium with the cooler ground temperature by losing heat to the ground. This narrows the final choice to B.



You set up an experiment to investigate the different rates at which soil and water heat and cool. You use the following equipment:

Thermometers (measuring in °C)

Container of soil

Container of water

Radiation Lamp

Timer

You obtain the temperature of the soil and water over a period of time and collect the following data:





The following graph was then made using the data.




Predict the relative air temperature over ocean and land during the day and night.

  1. During the day: air above the land is warmer, above the ocean is cooler. At night: air above the land is cooler, above the ocean is warmer.
  2. During the day: air above the land is cooler, above the ocean is warmer. At night: air above the land is warmer, above the ocean is cooler.
  3. During the day: air above the land is cooler, above the ocean is warmer. At night: air above the land is cooler, above the ocean is warmer.
  4. During the day: air above the land is warmer, above the ocean is cooler. At night: air above the land is warmer, above the ocean is cooler.

Answer(s): A

Explanation:

Since the air above the land heats and cools faster it will get warmer faster during the day. This means during the day the air over the land will be warmer than the air over the ocean. At night, however, the temperature of the land will cool faster than the temperature of the ocean. This means the air above the ocean will be warmer than the air above the land at night.






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